Backpack



FIG. 1 is a front perspective view of a backpack showing my new design according to a first embodiment;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left side elevational view of FIG. 1;

FIG. 5 is a right side elevational view of FIG. 1;

FIG. 6 is a top plan view of FIG. 1;

FIG. 7 is a front perspective view of a backpack showing my new design according to a second embodiment;

FIG. 8 is a front elevational view of FIG. 7;

FIG. 9 is a rear elevational view of FIG. 7;

FIG. 10 is a right side elevational view of FIG. 7;

FIG. 11 is a left side elevational view of FIG. 7;

FIG. 12 is a top plan view of FIG. 7;

FIG. 13 is a right side elevational view of FIG. 7 with the flap shown in an opened position; and,

FIG. 14 is a left side elevational view of FIG. 7 with the flap shown in an opened position.

The broken lines depicting structural features in the views have been shown for the purpose of illustrating portions of the backpack that form no part of the claimed design.

The broken lines depicting elements within the open pockets in FIGS. 13 and 14 have been shown for the purpose of illustrating environment that forms no part of the claimed design.

The bottom of the backpack, not shown, forms no part of the claimed design. 

CLAIM The ornamental design for a backpack, as shown and described. 